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SECTION 4 TEST MODE 4-1. PRECAUTIONS FOR USE OF TEST MODE 4-5. SELECTING THE TEST MODE 1. As loading related operations will be performed regardless of Thirteen test modes are selected by turn VOLUME. the test mode operations being performed, be sure to check that Table 4-2.
4-7. OPERATING THE CONTINUOUS RECORDING 4-6. OPERATING THE CONTINUOUS PLAYBACK MODE MODE 4-7-1. Entering the Continuous Recording Mode 4-6-1. Entering the Continuous Playback Mode 1. Set the MO disc in the unit. (Refer to note 3.) 1. Set the disc in the unit. (Whichever recordable discs or discs for 2.
4-9. ERROR HISTORY MODE 4-9-5. Ending the displayed historys 1. Press the § (CD) button, the display will change to memory 4-9-1. Entering the Error History Mode types. 1. Turn the VOLUME knob and display “ERR DP MODE”. Table 4-4. 2.
SECTION 5 ELECTRICAL ADJUSTMENT 5-3. PRECAUTIONS FOR ADJUSTMENTS MD SECTION 1) When replacing the following parts, perform the adjustments and checks with ® in the order shown in the following table. 5-1. PRECAUTIONS FOR CHECKING LASER DI- ODE EMISSION Table 5-1. To check the emission of the laser diode during adjustments, never view directly from the top as this may lose your eyesight.
5-5. TEMPERATURE COMPENSATION OFFSET 5-6. LASER POWER ADJUSTMENT ADJUSTMENT Connection: laser Save the temperature data at that time in the non-volatile memory power meter as 25 °C reference data. Notes: 1. Usually, do not perform this adjustment. Optical pick-up 2. Perform this adjustment in an ambient temperature of 22 °C to objective lens 28 °C.
5-7. TRAVERSE (E-F BALANCE) ADJUSTMENT 8. Turn the VOLUME knob so that the waveforms of the oscillo- scope becomes the specified value. (When the VOLUME knob Note 1: Data will be erased during MO reading if a recorded disc is used is turned, the “...
5-8. FOCUS BIAS ADJUSTMENT 5-9. ERROR RATE CHECK Adjusting Method: 5-9-1. CD Error Rate Check 1. Load a continuously recorded disc (Refer to “5-4. Creating MO Checking Method: Continuously Recorded Disc”.). 1. Load a test disc TDYS-1. 2. Turn the VOLUME knob and display “CPLAY MODE”. 2.
5-11. ADJUSTING POINTS AND CONNECTING POINTS [BD (MD) BOARD] (SIDE A) D101 IC192 [BD (MD) BOARD] (SIDE B) TP (IOP) TP (I + 3V) Q163 IC316 IC171 (VC) IC101 (TEO) Q102 IC121 – 23 –...
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5. Confirm that the oscilloscope waveform (S-curve) is symmetri- CD SECTION cal between A and B. And confirm peak to peak level within 2.4 ± 0.7 Vp-p. Notes: 1. CD Block basically constructed to operated without adjustment. S-curve waveform symmetry Therefore, check eaech item in order given.
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Traverse waveform specification: A=B level: 300 ± 100 mVp-p × 100 = less than ± 7% specified value: • 2 (A+B) • A+B = 300 ± 100 mVp-p 7. After check, remove the lead wire connected in step 1. Focus/Tracking Gain Adjustment (RV102, RV103) This gain has a margin, so even if it is slightly off.
SECTION 8 AUDIO ELECTRICAL PARTS LIST NOTE: The components identified by mark • Due to standardization, replacements in the • Items marked “*” are not stocked since they ! or dotted line with mark ! are parts list may be different from the parts speci- are seldom required for routine service.